fix saving paper

src/main/java/ru/ulstu/paper/service/PaperService.java

@@ -27,6 +27,7 @@ import ru.ulstu.user.service.UserService;
 import java.io.IOException;
 import java.text.MessageFormat;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.Date;
 import java.util.HashSet;
 import java.util.List;
@@ -131,9 +132,11 @@ public class PaperService {
         paper.setUpdateDate(new Date());
         paper.setDeadlines(deadlineService.saveOrCreate(paperDto.getDeadlines()));
         paper.setReferences(saveOrCreateReferences(paperDto.getReferences()));
-        paper.setFiles(fileService.saveOrCreate(paperDto.getFiles().stream()
-                .filter(f -> !f.isDeleted())
-                .collect(toList())));
+        if (paperDto.getFiles() != null) {
+            paper.setFiles(fileService.saveOrCreate(paperDto.getFiles().stream()
+                    .filter(f -> !f.isDeleted())
+                    .collect(toList())));
+        }
         paper.getAuthors().clear();
         if (paperDto.getAuthorIds() != null && !paperDto.getAuthorIds().isEmpty()) {
             paperDto.getAuthorIds().forEach(authorIds -> paper.getAuthors().add(userService.findById(authorIds)));
@@ -142,7 +145,9 @@ public class PaperService {
     }
 
     private List<Reference> saveOrCreateReferences(List<ReferenceDto> references) {
-        return references
+        return references == null
+                ? Collections.emptyList()
+                : references
                 .stream()
                 .filter(reference -> !reference.getDeleted())
                 .map(reference -> reference.getId() != null ? updateReference(reference) : createReference(reference))
@@ -182,16 +187,20 @@ public class PaperService {
         Paper.PaperStatus oldStatus = paper.getStatus();
         Set<User> oldAuthors = new HashSet<>(paper.getAuthors());
 
-        for (FileDataDto file : paperDto.getFiles().stream()
-                .filter(f -> f.isDeleted() && f.getId() != null)
-                .collect(toList())) {
-            fileService.delete(file.getId());
+        if (paperDto.getFiles() != null) {
+            for (FileDataDto file : paperDto.getFiles().stream()
+                    .filter(f -> f.isDeleted() && f.getId() != null)
+                    .collect(toList())) {
+                fileService.delete(file.getId());
+            }
         }
         paperRepository.save(copyFromDto(paper, paperDto));
-        for (ReferenceDto referenceDto : paperDto.getReferences().stream()
-                .filter(f -> f.getDeleted() && f.getId() != null)
-                .collect(toList())) {
-            referenceRepository.deleteById(referenceDto.getId());
+        if (paperDto.getReferences() != null) {
+            for (ReferenceDto referenceDto : paperDto.getReferences().stream()
+                    .filter(f -> f.getDeleted() && f.getId() != null)
+                    .collect(toList())) {
+                referenceRepository.deleteById(referenceDto.getId());
+            }
         }
         eventService.updatePaperDeadlines(paper);
 

src/main/resources/static/js/app-axios.js

@@ -56,8 +56,22 @@
             });
     }
 
+    function axiosPut(url, data, resolv, reject) {
+        axios.put(url, JSON.stringify(data), axiosConfig)
+            .then(function (result) {
+                errorHandler(result, resolv, reject);
+            })
+            .catch(function (error) {
+                setTimeout(function () {
+                        throw Error(error);
+                    }
+                );
+            });
+    }
+
     return {
         get: axiosGet,
-        post: axiosPost
+        post: axiosPost,
+        put: axiosPut
     };
 });

src/main/resources/static/papers/paper.vue

@@ -9,8 +9,7 @@
         <hr/>
         <div class="row">
             <div class="col-lg-12">
-                <form name="paperform" id="paper-form" method="post"
-                      action="/papers/paper">
+                <form @submit.prevent="savePaper">
                     <div class="row">
                         <div class="col-md-7 col-sm-12">
                             <nav>
@@ -28,7 +27,8 @@
                                      aria-labelledby="nav-main-tab">
                                     <div class="form-group">
                                         <label for="title">Название:</label>
-                                        <input class="form-control" id="title" type="text" :value="paper.title"
+                                        <input class="form-control" id="title" type="text"
+                                               :value="paper.title"
                                                placeholder="Название статьи"/>
                                     </div>
                                     <div class="form-group">
@@ -149,6 +149,15 @@
                 if (date) {
                     return moment(String(new Date(date))).format('DD.MM.YYYY hh:mm')
                 }
+            },
+            savePaper: function (event) {
+                if (this.$route.query.id && Number.isInteger(parseInt(this.$route.query.id)) && parseInt(this.$route.query.id) != 0) {
+                    axiosEx.put(appConfig.paper, this.paper);
+                } else {
+                    axiosEx.post(appConfig.paper, this.paper);
+                }
+                this.$store.dispatch("addSuccessMessage", "Статья успешно сохранена!");
+                event.preventDefault();
             }
         },
         mounted: function () {